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운동강도에 따른 단기간 트레이닝이 혈액성분에 미치는 영향
장명재,홍대석,김승환 경희대학교 체육과학연구소 1999 體育學論文集 Vol.27 No.-
The effect of a short duration training on blood component by exercises intensity The propose of this study was to investigation the change of blood component after a short duration training. The subjects of this study consist of male college students, two group(A group: 75% HRmax, B group:All-out(95%); 20-26 years), who are following at physical education department in K university. Therefore, The results of this study were as followings; 1.B group(intensity of all-out exercise) was higher than A group(intensity of 75% HRmax) on change of Erythrocyte, Hemoglobin, Hematocrit, Total Cholesterol(p〈.001). 2.There was no difference between two groups for High Density Lipoprtein Cholesterol(p<.05)
白明基,崔大雨 충남대학교 자연과학연구소 1982 忠南科學硏究誌 Vol.9 No.1
For the experimental study of stance just before shot putting, we have trained 23 un-experienced and un-skilled students of department of physical education. College of Science, Chungnam University by O'Brein and Torque type of shot putting and made them put shots. The results was that the average record by the former type(45°stance) was 10m 39cm, and by the latter(90°stance) was 10m 99cm, and therefore the students with 90 stance threw farther than the ones with 45 stance by 60cm. Viewed from the above experiment, the shot putting of Torque type is considered to have better record than that of O'Brein type. Because the former type with much ywist of upper and lower body not only makes the throwing orbit longer, but pre-action of the Knee and waist unnecessary when they do shift-action, and there are no loss of power and no decrease of speed of lift. While our athletes use the type of 45°stance, only the foreign athletes with god physique and physical fitness get the good record by using the Torque of shot putting nowadays. Accordingly, we think that it is desirable for us change our present 45°type of stance into 90°type to get better record.
밀폐공간 내에 가연성가스가 누출될 때 가연혼합기 생성에 관한 이론적 연구
나기대,홍명석,정낙규,박기남 조선대학교 환경연구소 1998 環境硏究 Vol.14 No.1
Numerical simulation have been conducted to obtain the basic information for the prevention of explosion in a rectangular enclosure with n-Butane(n-C_4H_10) gas leak. A numerical Model was established to predict the characteristics of flammable mixture formation with the variation of variables: leak location, leak time, leak velocity and aspect ratio. When the gas leaks from the bottom of the rectangular enclosure, the closer the leak location is to the side wall, the faster mass transfer towards the horizontal direction than the vertical direction is as the leak velocity increases, the fuel reaches higher and in the case of the same leak velocity and leak time, mass transfer in the leak direction is less than that in the horizontal direction because of the gravitational force. Aspect ratio of the rectangular enclosure also affects the formation of the flammable mixture proportional to the leak time and the leak velocity.
알코올의존 환자에서 할로페리돌이 음주갈망에 미치는 영향
이대수,김명정,김성곤 大韓神經精神醫學會 1998 신경정신의학 Vol.37 No.1
할로페리돌이 음주갈망과 음주저항능력에 미치는 영향을 알아보기 위하여 본 연구를 실시하였다. 대상 환자는 남자 알코올 의존 환자 18명으로, 무작위로 9명씩 두 군으로 나누어 한 군에는 위약을, 또 한 군에는 할로페리돌을 1일 5mg을 14일간 투여하였다. 실험 1일과 14일에 음주갈망과 음주저항의 어려움을 각기 4차씩 측정하였다. 1차는 기초 음주갈망 및 음주저항의 어려움을 측정하고, 2차는 투약 후, 3차는 100% 알코올 0.4gm/체중kg의 음주 후 및 4차는 동량의 두번째 음주후에 각기 측정하였다. 결과는 아래와 같다. 1) 급성 약물 투여시, 위약군에서는 1차 및 2차 음주 후 음주갈망이 유의하게 상승하였으나, 할로페리돌군에서는 음주갈망에 변화가 없었다. 2) 장기 약물 투여시, 위약군과 할로페리돌군에서 다 같이 음주 후 음주갈망이 증가하였다. 3) 할로페리돌은 급성투여시에는 음주저항능력이 저하되지 않았으나, 장기 투여시에는 음주저항능력이 오히려 감소되었다. 이상의 결과에서 할로페리돌의 급성치료는 알코올 의존 환자의 음주갈망을 감소시켰으나, 그러한 급성효과는 장기치료로 지속되지 않고 감소 내지 소실됨을 관찰할 수 있었다. Objectives : This study was aimed at investigating the effect of haloperidol on alcohol craving in patients with alcohol dependence. Methods : Eighteen patients with alcohol dependence were divided randomly into two groups of nine patients each : one haloperidol group and the other, placebo group. The medication of each group was done for 14 days. Alcohol craving and difficulty in resisting drinking were measured on day 1 and day 14, each consisting of a series of four assessments. Assessment 0 was basal levels. Assessment 1 was made 3 hours after medication. Assessment 2 was made after alcohol intake in a dose of 0.4gm of 100% alcohol/kg body weight and assessment 3 was done after the second alcohol intake in the same amount. Results : The results were as follows : 1) With acute treatment, placebo group showed a significant increase in alcohol craving whereas haloperidol group did not show any change after the first and second alcohol intake. 2) With chronic treatment, both groups showed significant increase in the alcohol craving after alcohol intake. 3) Haloperidol did not increase difficulty in resisting drinking after acute treatment however, with chronic treatment, it resulted in a significant increase of the difficulty in resisting drinking. Conclusions : From these results, the authors suggest that an acute treatment of haloperidol lowers alcohol craving in patients with alcohol dependence, but the effect does not maintain itself with chronic treatment.